Home / 1,107,419.32-1,528,262.40-617,419

Finding the Fourth Proportional to 1,107,419.32, 1,528,262.40 and 617,419

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Solution

The fourth proportional to 1,107,419.32, 1,528,262.40 and 617,419 is: 852,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,419.32 : 1,528,262.40 = 617,419 : x
  2. Step 2: Convert to fraction form
    1,107,419.32/1,528,262.40 = 617,419/x
  3. Step 3: Cross multiply
    1,107,419.32x = 1,528,262.40 × 617,419
  4. Step 4: Simplify right side
    1,107,419.32x = 943,578,242,745.60
  5. Step 5: Solve for x
    x = 943,578,242,745.60/1,107,419.32
  6. Step 6: Final answer
    x = 852,051.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.